CVE-2026-58305

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2026-07-09. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Access of resource using incompatible type ('type confusion') vulnerability in Samsung Open Source Escargot allows Pointer Manipulation.

This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

Advisory Details (2)

Auto-updated Jul 9, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
github_pr

Fix crash in ArrayBuffer transfer

Fix merged in Samsung/escargot PR #1580 on 2026-05-27 — awaiting tagged release

https://github.com/Samsung/escargot/pull/1580
generic

Type Confusion in arrayDefineOwnPropertyBySpreadElementOperation · Issue #1574 · Samsung/escargot · GitHub

https://github.com/Samsung/escargot/issues/1574

Vendor Advisories for CVE-2026-58305(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 82× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 114 total refreshes for this CVE.

  1. 2026-08-26 14:46 UTCEPSS rescore
  2. 2026-08-26 03:55 UTCEG score recompute
  3. 2026-08-26 03:55 UTCGHSA enrichment
  4. 2026-08-25 13:49 UTCEPSS rescore
  5. 2026-08-24 21:44 UTCEG score recompute
  6. 2026-08-24 21:44 UTCGHSA enrichment
  7. 2026-08-23 22:18 UTCEG score recompute
  8. 2026-08-23 22:18 UTCGHSA enrichment
  9. 2026-08-23 00:19 UTCEPSS rescore
  10. 2026-08-22 23:00 UTCGHSA enrichment
  11. 2026-08-21 23:57 UTCEG score recompute
  12. 2026-08-21 23:57 UTCGHSA enrichment
  13. 2026-08-21 23:49 UTCEPSS rescore
  14. 2026-08-21 00:54 UTCEG score recompute
  15. 2026-08-21 00:54 UTCGHSA enrichment
  16. 2026-08-20 22:55 UTCEPSS rescore
  17. 2026-08-20 01:50 UTCEG score recompute
  18. 2026-08-20 01:50 UTCGHSA enrichment
  19. 2026-08-19 17:04 UTCEPSS rescore
  20. 2026-08-18 22:27 UTCEG score recompute
  21. 2026-08-18 22:27 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-17 22:18 UTCEG score recompute
  24. 2026-08-17 22:18 UTCGHSA enrichment
  25. 2026-08-17 13:47 UTCEPSS rescore
Show 75 more
  1. 2026-08-16 19:37 UTCEG score recompute
  2. 2026-08-16 19:37 UTCGHSA enrichment
  3. 2026-08-16 14:56 UTCEPSS rescore
  4. 2026-08-16 02:14 UTCEPSS rescore
  5. 2026-08-15 20:11 UTCEG score recompute
  6. 2026-08-15 20:11 UTCGHSA enrichment
  7. 2026-08-15 01:30 UTCEPSS rescore
  8. 2026-08-14 21:01 UTCEG score recompute
  9. 2026-08-14 21:01 UTCGHSA enrichment
  10. 2026-08-13 22:00 UTCEPSS rescore
  11. 2026-08-13 21:58 UTCGHSA enrichment
  12. 2026-08-12 22:56 UTCEG score recompute
  13. 2026-08-12 22:56 UTCGHSA enrichment
  14. 2026-08-12 13:51 UTCEPSS rescore
  15. 2026-08-11 23:54 UTCEG score recompute
  16. 2026-08-11 23:54 UTCGHSA enrichment
  17. 2026-08-11 00:51 UTCEG score recompute
  18. 2026-08-11 00:51 UTCGHSA enrichment
  19. 2026-08-11 00:00 UTCEPSS rescore
  20. 2026-08-10 01:49 UTCEG score recompute
  21. 2026-08-10 01:49 UTCGHSA enrichment
  22. 2026-08-09 13:46 UTCEPSS rescore
  23. 2026-08-09 02:47 UTCEG score recompute
  24. 2026-08-09 02:47 UTCGHSA enrichment
  25. 2026-08-08 16:37 UTCEPSS rescore
  26. 2026-08-08 03:45 UTCEG score recompute
  27. 2026-08-08 03:45 UTCGHSA enrichment
  28. 2026-08-07 04:42 UTCEG score recompute
  29. 2026-08-07 04:42 UTCGHSA enrichment
  30. 2026-08-06 13:47 UTCEPSS rescore
  31. 2026-08-06 05:39 UTCEG score recompute
  32. 2026-08-06 05:39 UTCGHSA enrichment
  33. 2026-08-05 19:17 UTCEPSS rescore
  34. 2026-08-05 06:37 UTCEG score recompute
  35. 2026-08-05 06:37 UTCGHSA enrichment
  36. 2026-08-04 15:10 UTCEPSS rescore
  37. 2026-08-04 10:39 UTCEPSS rescore
  38. 2026-08-04 05:13 UTCEG score recompute
  39. 2026-08-04 05:13 UTCGHSA enrichment
  40. 2026-08-03 10:36 UTCEPSS rescore
  41. 2026-08-03 06:05 UTCGHSA enrichment
  42. 2026-08-02 06:21 UTCEG score recompute
  43. 2026-08-02 06:21 UTCGHSA enrichment
  44. 2026-08-02 02:27 UTCEPSS rescore
  45. 2026-08-01 07:18 UTCEG score recompute
  46. 2026-08-01 07:18 UTCGHSA enrichment
  47. 2026-08-01 04:16 UTCEPSS rescore
  48. 2026-07-31 07:39 UTCEG score recompute
  49. 2026-07-31 07:39 UTCGHSA enrichment
  50. 2026-07-30 16:28 UTCEPSS rescore
  51. 2026-07-30 08:35 UTCEG score recompute
  52. 2026-07-30 08:35 UTCGHSA enrichment
  53. 2026-07-30 01:30 UTCEPSS rescore
  54. 2026-07-30 01:30 UTCEPSS rescore
  55. 2026-07-29 09:31 UTCGHSA enrichment
  56. 2026-07-28 10:28 UTCEG score recompute
  57. 2026-07-28 10:27 UTCGHSA enrichment
  58. 2026-07-27 14:14 UTCEPSS rescore
  59. 2026-07-27 11:24 UTCGHSA enrichment
  60. 2026-07-26 12:21 UTCEG score recompute
  61. 2026-07-26 12:21 UTCGHSA enrichment
  62. 2026-07-25 14:18 UTCEPSS rescore
  63. 2026-07-25 14:18 UTCEPSS rescore
  64. 2026-07-24 14:18 UTCEPSS rescore
  65. 2026-07-24 14:18 UTCEPSS rescore
  66. 2026-07-23 03:21 UTCEG score recompute
  67. 2026-07-21 15:25 UTCEPSS rescore
  68. 2026-07-21 15:25 UTCEPSS rescore
  69. 2026-07-20 17:08 UTCEPSS rescore
  70. 2026-07-19 14:31 UTCEPSS rescore
  71. 2026-07-19 14:31 UTCEPSS rescore
  72. 2026-07-19 02:29 UTCEPSS rescore
  73. 2026-07-17 03:03 UTCGHSA enrichment
  74. 2026-07-16 17:03 UTCEPSS rescore
  75. 2026-07-16 04:00 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-58305?
CVE-2026-58305 is a medium vulnerability published on July 9, 2026. Access of resource using incompatible type ('type confusion') vulnerability in Samsung Open Source Escargot allows Pointer Manipulation. This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a.
When was CVE-2026-58305 disclosed?
CVE-2026-58305 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58305 actively exploited?
CVE-2026-58305 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 95.5% of all scored CVEs.
What is the CVSS score of CVE-2026-58305?
CVE-2026-58305 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-58305?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58305, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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